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Bioanode and Biocathode Performance in a Microbial Electrolysis Cell

Abstract

The bioanode is important for a microbial electrolysis cell (MEC) and its robustness to maintain its catalytic activity affects the performance of the whole system. Bioanodes enriched at a potential of +0.2 V (vs. standard hydrogen electrode) were able to sustain their oxidation activity when the anode potential was varied from 0.3 up to +1.0 V. Chronoamperometric test revealed that the bioanode produced peak current density of 0.36 A/m2 and 0.37 A/m2 at applied potential 0 and +0.6 V, respectively. Meanwhile hydrogen production at the biocathode was proportional to the applied potential, in the range from 0.5 to 1.0 V. The highest production rate was 7.4 L H2/(m2 cathode area)/day at 1.0 V cathode potential. A limited current output at the bioanode could halt the biocathode capability to generate hydrogen. Therefore maximum applied potential that can be applied to the biocathode was calculated as 0.84 V without overloading the bioanode

Related subjects: Production & Supply Chain
Countries: United Kingdom
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/content/dataset1074
2017-01-01
2022-01-22
http://instance.metastore.ingenta.com/content/dataset1074
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Bioanode and biocathode performance in a microbial electrolysis cell - data set

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